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Diffstat (limited to 'accessibility/bridge/org/openoffice/java/accessibility/List.java')
-rw-r--r-- | accessibility/bridge/org/openoffice/java/accessibility/List.java | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/accessibility/bridge/org/openoffice/java/accessibility/List.java b/accessibility/bridge/org/openoffice/java/accessibility/List.java new file mode 100644 index 000000000000..c0583bf9b692 --- /dev/null +++ b/accessibility/bridge/org/openoffice/java/accessibility/List.java @@ -0,0 +1,452 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package org.openoffice.java.accessibility; + +import javax.accessibility.AccessibleContext; +import javax.accessibility.AccessibleState; + +import com.sun.star.uno.AnyConverter; +import com.sun.star.uno.UnoRuntime; +import com.sun.star.accessibility.*; + +public class List extends DescendantManager implements javax.accessibility.Accessible { + + protected List(XAccessible xAccessible, XAccessibleContext xAccessibleContext) { + super(xAccessible, xAccessibleContext); + } + + protected void setActiveDescendant(javax.accessibility.Accessible descendant) { + javax.accessibility.Accessible oldAD = activeDescendant; + activeDescendant = descendant; + firePropertyChange(AccessibleContext.ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY, + oldAD, descendant); + } + + protected void setActiveDescendant(Object any) { + javax.accessibility.Accessible descendant = null; + try { + if (AnyConverter.isObject(any)) { + XAccessible unoAccessible = (XAccessible) AnyConverter.toObject( + AccessibleObjectFactory.XAccessibleType, any); + if (unoAccessible != null) { + // FIXME: have to handle non transient objects here .. + descendant = new ListItem(unoAccessible); + if (Build.DEBUG) { + try { + if (Build.DEBUG) { + System.err.println("[List] retrieved active descendant event: new descendant is " + + unoAccessible.getAccessibleContext().getAccessibleName()); + } + } catch (java.lang.NullPointerException e) { + System.err.println("*** ERROR *** new active descendant not accessible"); + } + } + } + } + setActiveDescendant(descendant); + } catch (com.sun.star.lang.IllegalArgumentException e) { + } + } + + protected void add(XAccessible unoAccessible) { + if (unoAccessible != null) { + ListItem item = new ListItem(unoAccessible); + // The AccessBridge for Windows expects an instance of AccessibleContext + // as parameters + firePropertyChange(AccessibleContext.ACCESSIBLE_CHILD_PROPERTY, + null, item.getAccessibleContext()); + } + } + + protected void remove(XAccessible unoAccessible) { + if (unoAccessible != null) { + ListItem item = new ListItem(unoAccessible); + // The AccessBridge for Windows expects an instance of AccessibleContext + // as parameters + firePropertyChange(AccessibleContext.ACCESSIBLE_CHILD_PROPERTY, + item.getAccessibleContext(), null); + } + } + + protected void add(Object any) { + try { + add((XAccessible) AnyConverter.toObject(AccessibleObjectFactory.XAccessibleType, any)); + } catch (com.sun.star.lang.IllegalArgumentException e) { + } + } + + protected void remove(Object any) { + try { + remove((XAccessible) AnyConverter.toObject(AccessibleObjectFactory.XAccessibleType, any)); + } catch (com.sun.star.lang.IllegalArgumentException e) { + } + } + + /** + * Update the proxy objects appropriatly on property change events + */ + protected class AccessibleListListener extends AccessibleDescendantManagerListener { + + protected AccessibleListListener() { + super(); + } + + /** Called by OpenOffice process to notify property changes */ + public void notifyEvent(AccessibleEventObject event) { + switch (event.EventId) { + case AccessibleEventId.ACTIVE_DESCENDANT_CHANGED: + setActiveDescendant(event.NewValue); + break; + case AccessibleEventId.CHILD: + if (AnyConverter.isObject(event.OldValue)) { + remove(event.OldValue); + } + if (AnyConverter.isObject(event.NewValue)) { + add(event.NewValue); + } + break; + case AccessibleEventId.INVALIDATE_ALL_CHILDREN: + // Since List items a transient a child events are mostly used + // to attach/detach listeners, it is save to ignore it here + break; + default: + super.notifyEvent(event); + } + } + } + + protected XAccessibleEventListener createEventListener() { + return new AccessibleListListener(); + } + + /** Creates the AccessibleContext associated with this object */ + public javax.accessibility.AccessibleContext createAccessibleContext() { + return new AccessibleList(); + } + + protected class AccessibleList extends AccessibleDescendantManager { + + /** Gets the role of this object */ + public javax.accessibility.AccessibleRole getAccessibleRole() { + return javax.accessibility.AccessibleRole.LIST; + } + + /** Returns the specified Accessible child of the object */ + public javax.accessibility.Accessible getAccessibleChild(int i) { + javax.accessibility.Accessible child = null; + try { + XAccessible xAccessible = unoAccessibleContext.getAccessibleChild(i); + if (xAccessible != null) { + // Re-use the active descandant wrapper if possible + javax.accessibility.Accessible activeDescendant = List.this.activeDescendant; + if ((activeDescendant instanceof ListItem) && xAccessible.equals(((ListItem) activeDescendant).unoAccessible)) { + child = activeDescendant; + } else { + child = new ListItem(xAccessible); + } + } + } catch (com.sun.star.lang.IndexOutOfBoundsException e) { + } catch (com.sun.star.uno.RuntimeException e) { + } + return child; + } + + /* + * AccessibleComponent + */ + + /** Returns the Accessible child, if one exists, contained at the local coordinate Point */ + public javax.accessibility.Accessible getAccessibleAt(java.awt.Point p) { + javax.accessibility.Accessible child = null; + try { + XAccessible xAccessible = unoAccessibleComponent.getAccessibleAtPoint(new com.sun.star.awt.Point(p.x, p.y)); + if (xAccessible != null) { + // Re-use the active descandant wrapper if possible + javax.accessibility.Accessible activeDescendant = List.this.activeDescendant; + if ((activeDescendant instanceof ListItem) && xAccessible.equals(((ListItem) activeDescendant).unoAccessible)) { + child = activeDescendant; + } else { + child = new ListItem(xAccessible); + } + } + return child; + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /* + * AccessibleSelection + */ + + /** Returns an Accessible representing the specified selected child of the object */ + public javax.accessibility.Accessible getAccessibleSelection(int i) { + javax.accessibility.Accessible child = null; + try { + XAccessible xAccessible = unoAccessibleSelection.getSelectedAccessibleChild(i); + if (xAccessible != null) { + // Re-use the active descandant wrapper if possible + javax.accessibility.Accessible activeDescendant = List.this.activeDescendant; + if ((activeDescendant instanceof ListItem) && xAccessible.equals(((ListItem) activeDescendant).unoAccessible)) { + child = activeDescendant; + } else { + child = new ListItem(xAccessible); + } + } else if (Build.DEBUG) { + System.out.println(i + "th selected child is not accessible"); + } + } catch (com.sun.star.lang.IndexOutOfBoundsException e) { + if (Build.DEBUG) { + System.err.println("IndexOutOfBoundsException caught for AccessibleList.getAccessibleSelection(" + i + ")"); + } + } catch (com.sun.star.uno.RuntimeException e) { + } + return child; + } + } + + class ListItem extends java.awt.Component implements javax.accessibility.Accessible { + + protected XAccessible unoAccessible; + + public ListItem(XAccessible xAccessible) { + unoAccessible = xAccessible; + } + + public Object[] create(Object[] targetSet) { + try { + java.util.ArrayList list = new java.util.ArrayList(targetSet.length); + for (int i=0; i < targetSet.length; i++) { + XAccessible xAccessible = (XAccessible) UnoRuntime.queryInterface( + XAccessible.class, targetSet[i]); + if (xAccessible != null) { + list.add(new ListItem(xAccessible)); + } + } + list.trimToSize(); + return list.toArray(); + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + javax.accessibility.AccessibleContext accessibleContext = null; + + /** Returns the AccessibleContext associated with this object */ + public javax.accessibility.AccessibleContext getAccessibleContext() { + if (accessibleContext == null) { + try { + XAccessibleContext xAccessibleContext = unoAccessible.getAccessibleContext(); + if (xAccessibleContext != null) { + javax.accessibility.AccessibleContext ac = new AccessibleListItem(xAccessibleContext); + if (ac != null) { + ac.setAccessibleParent(List.this); + accessibleContext = ac; + } + AccessibleStateAdapter.setComponentState(this, xAccessibleContext.getAccessibleStateSet()); + } + } catch (com.sun.star.uno.RuntimeException e) { + } + } + return accessibleContext; + } + + protected class AccessibleListItem extends javax.accessibility.AccessibleContext { + + XAccessibleContext unoAccessibleContext; + + public AccessibleListItem(XAccessibleContext xAccessibleContext) { + unoAccessibleContext = xAccessibleContext; + } + + /** Returns the accessible name of this object */ + public String getAccessibleName() { + try { + return unoAccessibleContext.getAccessibleName(); + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /** Sets the accessible name of this object */ + public void setAccessibleName(String name) { + // Not supported + } + + /** Returns the accessible name of this object */ + public String getAccessibleDescription() { + try { + return unoAccessibleContext.getAccessibleDescription(); + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /** Sets the accessible name of this object */ + public void setAccessibleDescription(String name) { + // Not supported + } + + /** Returns the accessible role of this object */ + public javax.accessibility.AccessibleRole getAccessibleRole() { + try { + javax.accessibility.AccessibleRole role = AccessibleRoleAdapter.getAccessibleRole( + unoAccessibleContext.getAccessibleRole()); + return (role != null) ? role : javax.accessibility.AccessibleRole.LABEL; + } catch(com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /** Gets the locale of the component */ + public java.util.Locale getLocale() throws java.awt.IllegalComponentStateException { + try { + com.sun.star.lang.Locale unoLocale = unoAccessibleContext.getLocale(); + return new java.util.Locale(unoLocale.Language, unoLocale.Country); + } catch (IllegalAccessibleComponentStateException e) { + throw new java.awt.IllegalComponentStateException(e.getMessage()); + } catch (com.sun.star.uno.RuntimeException e) { + return List.this.getLocale(); + } + } + + /** Gets the 0-based index of this object in its accessible parent */ + public int getAccessibleIndexInParent() { + try { + return unoAccessibleContext.getAccessibleIndexInParent(); + } catch (com.sun.star.uno.RuntimeException e) { + return -1; + } + } + + /** Returns the number of accessible children of the object. */ + public int getAccessibleChildrenCount() { + try { + return unoAccessibleContext.getAccessibleChildCount(); + } catch (com.sun.star.uno.RuntimeException e) { + return 0; + } + } + + /** Returns the specified Accessible child of the object. */ + public javax.accessibility.Accessible getAccessibleChild(int i) { + javax.accessibility.Accessible child = null; + try { + XAccessible xAccessible = unoAccessibleContext.getAccessibleChild(i); + // Re-use the active descandant wrapper if possible + javax.accessibility.Accessible activeDescendant = List.this.activeDescendant; + if ((activeDescendant instanceof ListItem) && ((ListItem) activeDescendant).unoAccessible.equals(xAccessible)) { + child = activeDescendant; + } else if (xAccessible != null) { + child = new ListItem(xAccessible); + } + } catch (com.sun.star.lang.IndexOutOfBoundsException e) { + } catch (com.sun.star.uno.RuntimeException e) { + } + return child; + } + + /** Returns the state set of this object */ + public javax.accessibility.AccessibleStateSet getAccessibleStateSet() { + try { + return AccessibleStateAdapter.getAccessibleStateSet(ListItem.this, + unoAccessibleContext.getAccessibleStateSet()); + } catch (com.sun.star.uno.RuntimeException e) { + return AccessibleStateAdapter.getDefunctStateSet(); + } + } + + /** Gets the AccessibleComponent associated with this object that has a graphical representation */ + public javax.accessibility.AccessibleComponent getAccessibleComponent() { + try { + XAccessibleComponent unoAccessibleComponent = (XAccessibleComponent) + UnoRuntime.queryInterface(XAccessibleComponent.class, unoAccessibleContext); + return (unoAccessibleComponent != null) ? + new AccessibleComponentImpl(unoAccessibleComponent) : null; + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /** Gets the AccessibleAction associated with this object that has a graphical representation */ + public javax.accessibility.AccessibleAction getAccessibleAction() { + try { + XAccessibleAction unoAccessibleAction = (XAccessibleAction) + UnoRuntime.queryInterface(XAccessibleAction.class, unoAccessibleContext); + return (unoAccessibleAction != null) ? + new AccessibleActionImpl(unoAccessibleAction) : null; + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /** Gets the AccessibleText associated with this object that has a graphical representation */ + public javax.accessibility.AccessibleText getAccessibleText() { + + if (disposed) + return null; + + try { + XAccessibleText unoAccessibleText = (XAccessibleText) + UnoRuntime.queryInterface(XAccessibleText.class, unoAccessibleContext); + return (unoAccessibleText != null) ? + new AccessibleTextImpl(unoAccessibleText) : null; + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /** Gets the AccessibleValue associated with this object that has a graphical representation */ + public javax.accessibility.AccessibleValue getAccessibleValue() { + try { + XAccessibleValue unoAccessibleValue = (XAccessibleValue) + UnoRuntime.queryInterface(XAccessibleValue.class, unoAccessibleContext); + return (unoAccessibleValue != null) ? + new AccessibleValueImpl(unoAccessibleValue) : null; + } catch (com.sun.star.uno.RuntimeException e) { + return null; + } + } + + /** Gets the AccessibleText associated with this object presenting text on the display */ + public javax.accessibility.AccessibleIcon[] getAccessibleIcon() { + try { + XAccessibleImage unoAccessibleImage = (XAccessibleImage) + UnoRuntime.queryInterface(XAccessibleImage.class, unoAccessibleContext); + if (unoAccessibleImage != null) { + javax.accessibility.AccessibleIcon[] icons = { new AccessibleIconImpl(unoAccessibleImage) }; + return icons; + } + } catch (com.sun.star.uno.RuntimeException e) { + } + return null; + } + } + } +} + |